Shikkaku Mon no Saikyou Kenja~ Sekai Saikyou no Kenja ga Sarani Tsuyoku Naru Tameni Tenseishimashita~ - Chapter 1 Strongest Sage, Drew a Strong Crest

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

Anger issues was never a problem for Rio, but how can he say that after he swiped away his system in anger when the crystallization began on earth.With portals popping up and monster storming out of them how can Rio be expected not get angry at his lack of a level up tool.Armed with just an axe, as the days go by, Rio has a rapidly building peeve against his never present system and the last virtue on his list is tolerance.“System”“......... ”“System”“...…..”“Grrrrr!! Grrrr!!”With loud menacing growls the wolf like creatures approached, but Rio was busy looking for what spot in the room had better connection and would let him access his system.“If you guys don't shut up, I'll kill you.”Normally, worlds undergoing crystallization should be struggling to get stronger and survive the brutal process but on earth it is different as they are rather focused on pleasing their brutal and unforgiving Tyrant

The first time they met they had battled fiercely, just for a mere bunch of herbs. She needed it to save people, and he wanted to use it to save his own life.

In the City of Crime, one law stands above them all: Only the strongest can live.